20569172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 41395200

約数和(自身を除く): 20826028

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 191, 218, 247, 382, 436, 494, 764, 988, 1417, 2071, 2483, 2834, 3629, 4142, 4966, 5668, 7258, 8284, 9932, 14516, 20819, 26923, 41638, 47177, 53846, 83276, 94354, 107692, 188708, 270647, 395561, 541294, 791122, 1082588, 1582244, 5142293, 10284586, 20569172]

約数ペア:

[(1, 20569172), (2, 10284586), (4, 5142293), (13, 1582244), (19, 1082588), (26, 791122), (38, 541294), (52, 395561), (76, 270647), (109, 188708), (191, 107692), (218, 94354), (247, 83276), (382, 53846), (436, 47177), (494, 41638), (764, 26923), (988, 20819), (1417, 14516), (2071, 9932), (2483, 8284), (2834, 7258), (3629, 5668), (4142, 4966)]